Analysis

  • max time kernel
    119s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2024 12:34

General

  • Target

    b37b5af6f37d14e0138d8472338aa050N.exe

  • Size

    65KB

  • MD5

    b37b5af6f37d14e0138d8472338aa050

  • SHA1

    d41f91a02beb06c0acb0e259d82a1b3367376174

  • SHA256

    ad4d7bd80f403d5c3b3c48d5f47a3770ca99f2366e931349737cbbd73ee27405

  • SHA512

    7d73ae86864d8c1ba069c72534845c18e3b1374bd172831fbe084b866292c0a78a25539737d0fe22d3804069a1be9c7674eafe67bf0b3cbfc6911ed9c2954183

  • SSDEEP

    768:W7BlpNLpARFbhblkYlkuvIYFdJSpXeX4AGAbehQ:W7ZNLpApCZuvIYXJSpXeX/ByhQ

Score
9/10

Malware Config

Signatures

  • Renames multiple (3122) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\b37b5af6f37d14e0138d8472338aa050N.exe
    "C:\Users\Admin\AppData\Local\Temp\b37b5af6f37d14e0138d8472338aa050N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3290804112-2823094203-3137964600-1000\desktop.ini.tmp

    Filesize

    65KB

    MD5

    f8c03bea3de36c39ab7d78b699b96d61

    SHA1

    4f59e9a672e1db4823793f05a2d756e6e26daccb

    SHA256

    f95235c0b84c6a5854a7537b365c5d2bda6e7f034704ab8982318b9c91cb6499

    SHA512

    d1390535baf26acb6cb00841b2143509c4701b3a0b179ce224b06902a2fec14e6227288d743e492482c363df2629e93f7cc1cf705c19d4ee742e5d40668d0c12

  • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

    Filesize

    74KB

    MD5

    4fbc3da0308ff49bd8dfd9f83f72f7ec

    SHA1

    1a31e5cfe6b3ababf7c05e838aca7157d915ed64

    SHA256

    28c26f0bd889191fccbf990be8d6ce09a345764c60e9906f41480918947f7723

    SHA512

    804d7f3953b8b06f161f2f9c86d10a9b1ea549d570542ee807cd6a913536ed691e2889ef55fd6b2353905da9462186aa7447648fbf98ce26617ce5a97f6c137d